CISA Releases Cybersecurity Advisory on Threat Actors Exploiting Citrix CVE-2023-3519

The Cybersecurity and Infrastructure Security Agency (CISA) released a Cybersecurity Advisory (CSA), Threat Actors Exploiting Citrix CVE-2023-3519 to Implant Webshells, to warn organizations about threat actors exploiting CVE-2023-3519, an unauthenticated remote code execution (RCE) vulnerability affecting NetScaler (formerly Citrix) Application Read More …

Comprehensive analysis of initial attack samples exploiting CVE-2023-23397 vulnerability

On March 14, 2023, Microsoft published a blogpost describing an Outlook Client Elevation of Privilege Vulnerability (CVSS: 9.8 CRITICAL). The publication generated a lot of activity among white, grey and black hat researchers, as well as lots of publications and Read More …

DDoS Botnets Target Zyxel Vulnerability CVE-2023-28771

In June 2023, FortiGuard Labs detected the propagation of several DDoS botnets exploiting the Zyxel vulnerability (CVE-2023-28771). This vulnerability is characterized by a command injection flaw affecting multiple firewall models that could potentially allow an unauthorized attacker to execute arbitrary Read More …

Victims of Cyberattack on File-Transfer Tool Pile Up

The list of companies hit by a cyberattack on a widely used software tool continues to expand and several victims have filed lawsuits alleging mishandling of data. The continued disclosure of new victims affected by hackers exploiting a vulnerability in Read More …

CISA Releases Seven Industrial Control Systems Advisories

CISA released seven Industrial Control Systems (ICS) advisories on July 18, 2023. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. ICSA-23-199-01 Rockwell Automation Kinetix 5700 DC Bus Power Supply Series A ICSA-23-199-02 Keysight N6845A Read More …

DDoS threat report for 2023 Q2

The second quarter of 2023 was characterized by thought-out, tailored and persistent waves of DDoS attack campaigns on various fronts, including: Multiple DDoS offensives orchestrated by pro-Russian hacktivist groups REvil, Killnet and Anonymous Sudan against Western interest websites. An increase Read More …

US energy department, other agencies hit in global hacking spree

The U.S. Department of Energy and several other federal agencies were hit in a global hacking campaign that exploited a vulnerability in widely used file-transfer software, officials said on Thursday. Data was “compromised” at two entities within the energy department Read More …